What size generator do I need?
Pick your situation below — every guide is a live calculator pre-loaded with the typical device list for that scenario, plus a static answer with exact watts, startup surge and battery watt-hours. Recommendations from 25 tracked power stations (18 currently in stock); appliance data from U.S. DOE, ENERGY STAR, manufacturer specs and cross-checked tables.
Houses & Home Backup
- what size generator for a 1500 sq ft home 1,259W run · 2,334W surge · 2,790Wh
- what size generator for a 2200 sq ft house 2,386W run · 3,496W surge · 4,050Wh
- what size generator for a 2500 sq ft home 2,850W run · 3,830W surge · 5,170Wh
- what size generator for a 3000 sq ft home 4,105W run · 6,305W surge · 16,710Wh
- what size generator for a 4000 sq ft home 6,085W run · 12,895W surge · 27,080Wh
- what size generator to run a house 10,415W run · 24,665W surge · 48,230Wh
- what size generator do I need for home backup 2,369W run · 4,569W surge · 3,270Wh
- what size generator for home power outage 3,306W run · 4,806W surge · 11,320Wh
- what size generator do I need for hurricane season 3,696W run · 5,856W surge · 13,720Wh
- what size generator for a house on well water 2,346W run · 8,596W surge · 3,110Wh
- what size generator for a house with a septic system 2,256W run · 4,426W surge · 2,650Wh
- what size generator for home with medical equipment 1,442W run · 2,517W surge · 10,440Wh
- generator for home oxygen machine 433W run · 1,508W surge · 10,070Wh
- what size solar generator for whole house 8,443W run · 15,253W surge · 32,290Wh
Apartments
- what size generator do I need for my apartment 1,300W run · 2,375W surge · 3,230Wh
- solar generator for apartment 318W run · 1,393W surge · 3,370Wh
Cabins & Off-grid
- what size generator for a cabin 1,421W run · 2,531W surge · 5,460Wh
- what size solar generator for off-grid cabin 4,065W run · 11,865W surge · 13,820Wh
RVs
- what size generator do I need for a 30 amp rv 3,069W run · 9,069W surge · 19,330Wh
- what size generator do I need for a 50 amp rv 8,243W run · 20,243W surge · 43,430Wh
- what size generator for rv in winter 2,768W run · 2,968W surge · 10,420Wh
- solar generator for full time rv living 4,046W run · 10,046W surge · 25,090Wh
- what size generator for rv air conditioner 1,835W run · 7,835W surge · 18,600Wh
Trailers & Campers
- what size generator do I need for my trailer 3,177W run · 9,177W surge · 20,070Wh
- what size generator for a truck camper 1,988W run · 2,188W surge · 3,640Wh
Van Life
- solar generator for van life 218W run · 418W surge · 2,290Wh
- what size solar generator for camper van 3,777W run · 6,037W surge · 18,340Wh
- solar generator for starlink and remote work 356W run · 556W surge · 4,760Wh
Camping
- what size generator do I need for camping 228W run · 428W surge · 1,790Wh
- generator for family camping trip 4,007W run · 4,207W surge · 3,320Wh
- best solar generator for glamping 3,154W run · 5,414W surge · 13,850Wh
- solar generator for cpap camping 185W run · 385W surge · 1,400Wh
Events & Weddings
- what size generator do I need for a wedding 1,826W run · 2,186W surge · 5,450Wh
- what size generator for dj setup 580W run · 580W surge · 3,250Wh
- generator for craft fair vendor booth 156W run · 336W surge · 1,350Wh
Food Trucks
- what size generator for a food truck 4,951W run · 5,961W surge · 8,250Wh
Jobsites & Power Tools
- what size generator do I need for power tools 2,480W run · 5,480W surge · 1,760Wh
- generator for jobsite with air compressor 4,810W run · 7,810W surge · 2,470Wh
- generator for home remodeling project 7,830W run · 11,340W surge · 3,970Wh
- what size generator do I need for a welder 2,580W run · 2,580W surge · 2,090Wh
Single-Device Guides
- what size generator to run a refrigerator 125W run · 1,200W surge · 1,250Wh
- what size generator do I need for my fridge and freezer 215W run · 1,325W surge · 2,150Wh
- what size solar generator for freezer 90W run · 1,200W surge · 900Wh
- what size generator do I need for sump pump 1,100W run · 3,300W surge · 420Wh
- what size generator to run a well pump 1,150W run · 7,400W surge · 720Wh
- what size generator do I need for central ac 2,680W run · 9,490W surge · 23,050Wh
- what size generator for window air conditioner 835W run · 2,435W surge · 8,600Wh
- what size generator for cpap machine 75W run · 92W surge · 700Wh
- generator for oxygen concentrator 290W run · 840W surge · 8,700Wh
- what size generator do I need for tv 325W run · 325W surge · 1,990Wh
- generator for home office during outage 299W run · 299W surge · 2,020Wh
- what size generator to run a space heater 1,618W run · 1,618W surge · 8,620Wh
- what size solar generator to run a refrigerator 125W run · 1,200W surge · 1,250Wh
- generator to run pool pump 815W run · 2,415W surge · 6,450Wh